an Entity references as follows:
Geoffrey III (Geoffroy III) (died 1145), Viscount of Châteaudun, son of Hugh IV, Viscount of Châteaudun, and Agnes, Comtesse de Fréteval, daughter of Foucher, Seigneur de Fréteval, and Hildeburge Goët. Geoffrey was also Seigneur of Mondoubleau by virtue of his marriage. This resulted in a significant increase in the holdings of the family of Châteaudun. Geoffrey married Helvise, Dame of Mondoubleau, daughter of Ilbert Payen de Mondoubleau. Helvise’s grandfather was Nivelon II de Fréteval, brother of Geoffrey’s maternal grandfather Foucher. Geoffrey and Helvise had six children: